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Indented List to ASCII Tree Field Guide: When Seven Toggles Decide Whether Your README Looks Like a Tree or a Wall
One pasted bulleted outline. That is what an ASCII-tree tool is asked to convert, but…
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BOM Character Remover Field Guide: When Three Bytes Quietly Break Your CSV Header Detection
That single invisible character at the start of your CSV is a UTF-8 BOM, and…
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UAX #9 Bidi, Rule by Rule: Why Trusting the Renderer Costs You Hours
When text contains both Latin and Arabic, the bytes you wrote are not the bytes…
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Unicode Bidi Algorithm: Why One Paragraph Reorders Itself Before Your Eyes
A field guide to UAX #9: how X1, N0, L2 reversal, paired brackets and isolate runs turn a single paragraph of mixed Latin and RTL into the visible order on screen.
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Underline Text Field Guide: When One Combining Mark (U+0332) Decides Whether Your Emphasis Survives a Plain-Text Copy-Paste
One invisible Unicode mark and every character picks up a line beneath it. The Combining…
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Hex/Unicode Converter Field Guide: When Four Operations and Three Output Formats Decide What Your String Actually Becomes
Most engineers meet their first hex escape sequence at 2 a.m. while debugging a corrupted…
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Tiny Text Field Guide: When Two Unicode Blocks Carry Footnotes And Chemical Formulas
Two Unicode blocks — Phonetic Extensions and Superscripts/Subscripts — give you about half the alphabet plus all ten digits. The other half passes through unchanged, which is the catch most people notice on their second paste.
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Cursive Text Field Guide: When Hand-Written Script Beats a Stretched Italic
Every fancy-text tool generates cursive by mapping letters to the Mathematical Script block, then silently…
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Unicode Escape Converter Field Guide: When Four Escape Styles Beat One Universal Form
Eighteen hex and Unicode escape pairs sit in your clipboard, and a single NFD-vs-NFC mismatch…
Underline Text Field Guide: When One Invisible Combining Mark Replaces HTML
Combining low line is a single Unicode codepoint, U+0332, that draws a line under the…